Thompson & Morgan

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Half-hardy Annual Seeds

Sow half-hardy annuals in early spring, making sure that you protect them from frost. Plant them out after all risk of frost has passed and you'll be rewarded with delightful flowers all throughout the summer. Hint: use the selections in the left menu to narrow down your search for the perfect half-hardy annual seeds for your garden. For direct sowing take a look at our stunning range of hardy annual seeds.

We have found 5 products.

Californian Poppy 'Copper Swirl'

California poppy, Eschscholzia californica

Californian Poppy 'Copper Swirl' are so easy to grow from seed, simply sow directly into borders for a dazzling display of fruity colours on these delightful crinkled flowers. Thompson & Morgan are proud to have bred this fresh range of Californian Poppies which are drought tolerant and require no special treatment! Ideal for beds, borders, rockeries or dry sunny banks. Height and Spread: 25cm (10").
More info
    • 1 packet (200 californian poppy seeds)

    • Despatch: By end of August 2016
    • £1.99

Dahlia variabilis 'Sunny Reggae'

  • Colour combo like no other!
From reds through apricots and oranges, Dahlia 'Sunny Reggae' boasts a colour combination like no other! Exquisite semi-double flowers each have their own unique character, some with collars of small cream petals at their centre, others with blushed petals in contrasting colours. Free-flowering from July to October, these warm Dahlia flowers are highly attractive to bees and other pollinating insects. Bushy and compact, grow dwarf Dahlias in beds, borders or containers for a long and colourful summer display. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 packet (40 dahlia seeds)

    • Despatch: By end of August 2016
    • £2.79

Zinnia elegans 'Zinderella Peach'

Zinnia elegans

Zinderella Zinnias are real eyecatchers! Attractive orange blooms with cream and rose detailing create a peach hue to the blooms, with each producing a strong central crest. Add height and interest to the middle of the border. Set in front of Zinnia 'Zinderella Lilac' for an orderly tiered display of blooms right through summer. Height: 75cm (30"). Spread: 30cm (12"). More info
    • 1 packet (18 zinnia seeds)

    • Despatch: By end of August 2016
    • £3.49

Antirrhinum majus nanum 'Rembrandt'


Attractive, free-flowering, bushy plants with stunning bicoloured blooms in vibrant orange and golden yellow. Will paint your borders and containers with colour all summer.
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    • 1 packet (200 antirrhinum seeds)

    • Despatch: By end of August 2016
    • £2.69

Nasturtium 'St Clements'

Tropaeolum majus, Indian Cress

An exclusive citrus coloured blend of fragrant semi-double blooms, that sit well above the deep green foliage on semi-trailing plants. Adds a mouth-watering citrus cocktail to borders, baskets or containers, flowering all summer.

Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (25 nasturtium seeds)

    • Despatch: By end of August 2016
    • £2.49